Assay-furnace.



PATENTED MAY 12. 1908,

L. BAUDENDISTLE.

ASSAY FURNACE. APPLICATION FILED JULY 23. 1007.

2 SHEETS-SHEET 1.

Atlanta? *B ATBNTED MAY 12, 1908.

2 SHEETS-SHEET 2.

1N VEN TOR L. BAUDENDISTLE. ASSAY FURNACE. APPLICATION FILED JULY 23. 1901.

the invention, such as will enable others showing the efipplication of my improvements LAFAYETTE BAUDENDK TLE, 6F DENVER, COLORADO.

To all whom it may concern."

Be it known that i, LAFAYETTE BAUDEN- DISTLE, of Denver, in the county of Denver and State of Colorado, have invented certain new and useful improvements in Assay-Furnaces; and I do hereby declare the fol owing to be e full, clesr, and exact description of skilled in the art to which it apperteins to make end use the same. 7 1

My invention. relates to an improvement in essay furnaces and more particularly to mesnsfor supporting the m'ufiies.

Heretofore, the muifies (which are usually about 18 inches in length) heve been supported Within the furnace, at their ends only. These mufiies are subjected, by the Weight of their contents, to considerable strain, and these muffies being made-oi fire-clay and sub jected to an intense best are liable to give way or to become distorted'by werping.

The object of my invention is to avoid the defects and inconveniences es veil the ere, pensc incident thereto, which have been heretofore encountered with muriies in essay furnaces end to providernesns 'Wh will Withstand the intense heat in such M29408, for properly and eiiectueliy supporting the nmfiies and which will result in enhancing the longevity of the mufics.

l slith this obj eot in view the invention consists in certain novel features of construction end combinations of perts as hereinafter set forth and pointed out in the claims.

In the accompanying drawings, Figure l is e vertical sectional view of an essay furnace thereto, and .ig. Zis s, sectional view telten all; right angles to Fig. i. l

1 represents an essay furnace, in the oven or muflie chamber 2 or" which supporting ledges 3 erc locsted. Each of these ledges supports one end of s motile 4, the other end of said mufde being supported by a. ledge or shoulder formed in the Well of the iurneoe. A support for o muffle, es above described, has as hereinbeforc stated, been found deficient because the intermediate portion of the Inuille has been unsust ined and the weight of its contents. together ith the intense heat to which it may be subjected, has resulted in. the distortion of the rnufiie and the" consequcnt incapacity for future use. Toevoid such a. result, 1 provide an intermediate supporting means for the mufdes-which ere erranged in slinement .With each other,-seid fipecificetion or Lettem Patent.

Pa tented May 12, 1908.

557. Serial No. 385,113. 7

means consisting of a stout pipe 5 supported near its ends in the Walls of the ittrnece 1 and disposed under the intermediateportions of the mufiles 4. Between this pipe and the bottoms of the mufiles, asbestos 0r fire-tile 6 is located and forms a covering for the upper portion. of said pipe This pipe may be from three-quarter to one inch in diameter and approximately five feet in length, according 5 to the size of the furnace in which it is employed, and its ends (out-side the furnace 'WEtllS) are bent upwardly as shown at 7, 8. A pipe 9 of smaller diameter than that of the pipe 5 communicates with the upper end of 7 the upturned portion 7 of said pipe 5 and is connected with any suitable source of Water supply. A. pipe 1.0-, also of smaller diameter than that of the pipe 5, communicates with the upturned end 8 of the letter and may be extended to any suitable point of discharge. or exhaust. The pipe 9 is provided with any suitable valve 11 for controlling the passage oi Water through the pipe 5.

The upturned ends of the gripe 5 will cause 30 the letter to be constantly lied with Water end 2; continuous flow of water, under m0 derete pressure, will be maintained in said pipe The flow of water through the pipe 5 end the proper temperature of said pipe can be 5 maintained by means of the valve 11. .L e

pipe or support 5 for the mufiles will thus be oreventcd from deterioration by the mtense heat within the furnace and the asbestos or fire-tiled covering (twill prevent the undue cooling of the bottoms of the mufiles.

' i i hen the circulation of iveter is very slo W on account of small water supply, so as to cause the ureter to become very hot and prob 'ebly form some steam, I may provide a check 5 valve 12 in the pipe 9 to prevent steam combeck in the supply pipe.

By actual experience, it has been demonstrated thet with my improvements, the life of mufiles has been extended from two or 1 three days to two WGQkd and sometimes ion ,er.

Slight changes might be made in the de tails of construction of my invention Without departing from the s irit thereof or limiting its scope and hence do not Wish to restrict myself to the precise details herein set forth.

Having fully described my invention what I claim as new and desire to secure byLetters Potent, is,-

1. In an essay furnace, the combination with means for supporting the ends of e and the supporting pipe.

, muflie, of a pipe constituting a support for said su' ly i e, and an exhaust inc smaller PP P g P i mufile, of a pipe constituting a support for the rnuflie between the ends thereof, a supply pipe for a, cooling medium communicating with the supporting pipe, a controlling valve in the supp y pipe, and a check valve in the supply pipe between the controlling valve 2. In an assay furnace, the combination with means for supporting the ends of e the muffle intermediate of the ends thereof, a supply pipe for a cooling medium srnztlier in diameter than the supporting pi e and con1- municeting therewith, a control lng valve in in diameter t ran the supporting pipe and an exhaust pi communicating with the letter.

3 In an assay furnace, the combination witlfmiiitns for supporting the ends of the mufl'le, of a pipe constituting a support for the mufiie between the ends thereof, said pipe mounted in the Walls of the furnace and provided at its res ective ends with upturned portions, a valve supply pipe for a cooling medium communicating With one of said upturned portions of the supporting pipe, and e communicating with the other upturne portion of the supporting p n testimony whereof, I have signed. this specification in the presence of two suhscrib-- mg Witnesses LAFAYETTE BAUDAXB ISTL Witnessps: C. iVJJonDAN, D. B. Kmrgnlni 

